*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
}
body{
    background-color: #ffffff;
}
.head{
    width:100% ;
    height: 80px;
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    justify-content: space-around;
}
.head>img{
    width: 80px;
    height: 50px;
    margin-top: 15px;
    margin-left: 40px;
}
.nav{
    width: 1300px;
    height: 82px;
}
.nav ul{
    width: 1300px;
    height: 82px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.nav ul li{
    position: relative;
}
.nav ul li a{
    width: 34px;
    height: 34px;
    font-size: 15px;
    display: inline-block;
    margin-left: 50px;
    color: #878787;
    
}
.nav ul li .line{
    position: absolute;
    width: 0px;
    height: 1px;
    left: 65px;
    background-color: #519F10;
    transition: all 0.5s;
}
.nav ul li:hover a{
    color: #519F10;
}
.nav ul li:hover .line{
    width: 34px;
    translate:-17px;
}
.small_logo{
    width: 200px;
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.small_logo img{
    width: 24px;
    height: 24px;
    margin-left: 20px;
}
.banner{
    width: 1920px;
    height: 961px; 
}
.banner .box{
    width: 3840px;
    height: 961px; 
    animation:flow 5s linear infinite;
}
.banner .box img{
    width: 1920px;
    height: 961px;
    position: absolute;
    top: -80px;
    z-index: 0;
}
.banner .box img:nth-child(2){
    left: 1920px;
}
@keyframes flow{
    0%,50%{
        transform: translateX(0);
    }
    51%,100%{
        transform: translateX(-1920px);
    }
}

.title{
    width: 100px;
    height: 50px;
    margin: auto;
    text-align: center;
}
.title .font1{
    font-size: 24px;
    color: #232323;
}
.title .font2{
    font-size: 13px;
    color: #999999;
}
.content{
    width: 1200px;
    height: 900px;
    margin: auto;
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
}

/* 
    首页鼠标滚动效果
*/

@keyframes scroll1{
    from{
        transform: translateY(400px);
        opacity: 0;
    }
    to{
        transform: translateY(0px);
        opacity: 1;
    }
}
.part{
    width: 33.333333%;
    height: 420px;
    text-align: center;
    transform: translateY(400px);
    opacity: 0;
}
.part .area{
    width: 100%;
    height: 420px;

}
.part img{
    width: 320px;
    height: 320px;
    transition: all 0.5s;
}
.part .font1{
    color: #555555;
    line-height: 16px;
    font-size: 16px;
    width: 400px;
    height: 20px;
}
.part .font2{
    color: #555555;
    line-height: 20px;
    font-size: 16px;
    width: 400px;
    height: 20px;
    margin-top: 10px;
}
.area .bigbox{
    position: relative;
    margin-top: 10px;

}
.imgdiv{
    width: 400px;
    height: 350px;
}
.area .bigbox .box1{
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: #ededed;
}
.area .bigbox .box2{
    position: absolute;
    height: 1px;
    width: 0px;
    background-color:#519F10 ;
    transition: all 0.5s;
}
.area:hover .box2{
    width: 100%;
}
.area:hover img{
    width: 340px;
    height: 340px;
}
.area:hover .font1{
    color: #519F10;
}
.content .box{
    width: 84px;
    height: 46px;
    background-color: #519F10;
    margin: auto;
}
.background{
    width: 100%;
    height: 705px;
    background-image: url(bcg_3D.webp);
    background-attachment: fixed;
    position: relative;
}
.background .text{
    display: flex;
    width: 1200px;
    height: 300px;
    background-color: #ffffff;
    justify-content: space-around;
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
}
.background .text .lizi{
    width: 540px;
    height: 300px;
    position: relative;
}
.background .text .lizi img{
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
}
.background .text .say{
    width: 550px;
    height: 300px;
}
.background .text .say>p{
    font-size: 14px;
    color: #808080;
    margin-top: 50px;
}
.background .text .say .know{
    margin-top: 30px;
    width: 110px;
    height: 40px;
    background-color: #90AF6B;
}
.background .text .say .know p{
    color: #FFFFFF;
    font-size: 14px;
    text-align: center;
    line-height: 40px;
}
/* foot */
.foot{
    width: 100%;
    height: 170px;
    display: flex;
}
.siximg{
    width: 1200px;
    height: 70px;
    display: flex;
    margin-left: 360px;
    margin-top: 70px;
    align-items: flex-end;
    justify-content: space-around;
}
.siximg img{
   width: 150px;
   height: 60px;
}
.foot2{
    width: 100%;
    height: 240px;
    background-color: #f3f3f3;
    display: flex;
}
.foot2_left{
    width: 800px;
    height: 111px;
    margin-left: 300px;
    margin-top: 100px;
    display: flex;
}
.foot2 .part1{
    width: 200px;
    height: 50px;
    text-align: center;
}
.foot2 .part1 sapn:nth-child(1){
    font-size: 26px;
    color: #666666;
}
.foot2 .part1 sapn:nth-child(2){
    font-size: 13px;
    color: #969696;
}
.foot2 .part2{
    width: 255px;
    height: 65px;
}
.foot2 .part2 span{
    font-size: 16px;
    color: #969696;
}
.foot2 .part2 img{
    margin-top: 10px;
    width: 24px;
    height: 24px;
}
.foot2 .part3{
    width: 316px;
    height: 111px;
}
.foot2 .part3>span{
    font-size: 16px;
    color: #5D5D5D;
}
.foot2 .part3 .font{
    margin-top: 10px;
}
.foot2 .part3 .font span{
    font-size: 14px;
    color: #969696;
}
.foot2 .foot2_right{
    width: 400px;
    height: 133px;
    margin-top: 100px;
    margin-left: 100px;
    display: flex;
}
.foot2 .foot2_right img{
    width: 100px;
    height: 100px;
}
.talk{
    width: 100%;
    height: 45px;
}
.talk div{
    width: 1200px;
    height: 45px;
    margin: auto;
    margin-top: 20px;
    font-size: 12px;
    color: #808080;
}


